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cssimage: Fix cross-fade

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Simgle image cross-fade opacity was computed the wrong way, which caused
weird fade-in/out animations, for example in flat buttons.

I messed this up when porting cross-fades to snapshot().
This commit is contained in:
Benjamin Otte 2017-01-11 02:51:50 +01:00
parent 9133ec5cd4
commit 4c7ddbf519
1 changed files with 2 additions and 2 deletions
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4
gtk/gtkcssimagecrossfade.c
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@ -150,14 +150,14 @@ gtk_css_image_cross_fade_snapshot (GtkCssImage *image,
}
else if (start_node)
{
gtk_snapshot_push_opacity (snapshot, cross_fade->progress, "CrossFadeStart");
gtk_snapshot_push_opacity (snapshot, 1.0 - cross_fade->progress, "CrossFadeStart");
gtk_snapshot_append_node (snapshot, start_node);
gtk_snapshot_pop_and_append (snapshot);
gsk_render_node_unref (start_node);
}
else if (end_node)
{
gtk_snapshot_push_opacity (snapshot, 1.0 - cross_fade->progress, "CrossFadeEnd");
gtk_snapshot_push_opacity (snapshot, cross_fade->progress, "CrossFadeEnd");
gtk_snapshot_append_node (snapshot, end_node);
gtk_snapshot_pop_and_append (snapshot);
gsk_render_node_unref (end_node);